Ernanda Y, Efrata J, Pratiwi Y, Harahap T, Harefa H. The Influence of Work Environment, Work Discipline and Motivation on Employee Performance at PT Tiki Jalur Nugraha Ekakurir (JNE) Amplas Trade Center Medan. enrichment [Internet]. 2022May1 [cited 2025Nov.17];12(2):1727-33. Available from: https://enrichment.iocspublisher.org/index.php/enrichment/article/view/468